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add Context#hasContent

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This commit is contained in:
TJ Holowaychuk 2013-08-27 19:30:35 -07:00
parent f7b8b2b6ae
commit b047405cc5
2 changed files with 19 additions and 2 deletions
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4
docs/api.md
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@ -192,6 +192,10 @@ app.context({
if you have a typo an error will be thrown, displaying this list if you have a typo an error will be thrown, displaying this list
so you can make a correction. so you can make a correction.
### ctx.hasContent
When the response status is __204__ or __304__ this returns __false__.
### ctx.length ### ctx.length
Return request Content-Length as a number when present, or undefined. Return request Content-Length as a number when present, or undefined.

17
lib/context.js
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@ -71,13 +71,26 @@ module.exports = {
val = n; val = n;
} }
if (204 == val || 304 == val) { this.res.statusCode = val;
if (!this.hasContent) {
this.res.removeHeader('Content-Type'); this.res.removeHeader('Content-Type');
this.res.removeHeader('Content-Length'); this.res.removeHeader('Content-Length');
this.res.removeHeader('Transfer-Encoding'); this.res.removeHeader('Transfer-Encoding');
} }
},
this.res.statusCode = val; /**
* Check if the response has content,
* aka is not a 204 or 304 response.
*
* @return {Boolean}
* @api public
*/
get hasContent() {
var s = this.status;
return 204 != s && 304 != s;
}, },
/** /**